Fall

Adult MonarchsReport all monarchs that you see, even if you don't knowwhether they are migrating. Report as long as monarchs arepresent, even into the winter months.

Peak MigrationReport peak migration events. Try to count monarchs regularlyso you compare one day to the next and identify the peak. Don'thesitate to report an event as "peak" if you believe it is. Wereview all sightings and will contact you with questions.

Roosting MonarchsReport night-time roosts. Migrating monarchs cluster together atnight, typically in trees. A roost may have a handful of butterfliesor far too many to count.

Breeding MonarchsReport monarch eggs or larvae. These indicate when and wheremonarchs are breeding in the fall.